From 8057bbf45fd8dc70423271c14f50b099021b5cfe Mon Sep 17 00:00:00 2001
From: Stéphane Raimbault <stephane.raimbault@gmail.com>
Date: Wed, 4 May 2011 00:15:08 +0200
Subject: [PATCH] Avoid an iteration in flush function

---
 src/modbus-tcp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/modbus-tcp.c b/src/modbus-tcp.c
index 01661e9..eb42f49 100644
--- a/src/modbus-tcp.c
+++ b/src/modbus-tcp.c
@@ -354,7 +354,7 @@ int _modbus_tcp_flush(modbus_t *ctx)
         if (ctx->debug && rc != -1) {
             printf("\n%d bytes flushed\n", rc);
         }
-    } while (rc > 0);
+    } while (rc == MODBUS_TCP_MAX_ADU_LENGTH);
 
     return rc;
 }
--
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